I see. Google is also highlighting RT-AC68U in some of the results as if it were an entered term. Surprising that both search engines show that behavior. That behavior is a bug. DDG returns similar results but manages to only highlight the entered terms in the results.
That behavior (bolding terms that were not in the search in the results summary) is what I meant to draw attention to.
The fuzzy-match and searching for terms the user didn't enter seems to be common across all search engines in 2022 and isn't what this thread is about.